As for extra virgin olive oil, you will have to go through the harvest. There are certain regions of the world that specialize in this particular area, Spain and Italy are two of the most common names that can be projected.
Of course, you should consider the possibility of climate change which could make harvesting more difficult. As a result, it seems that more and more work is being done to harvest at night, instead of clearer periods.
Of course, you should consider the possibility of climate change which could make harvesting more difficult. As a result, it seems that more and more work is being done to harvest at night, instead of clearer periods.